Patents by Inventor Munehjaru Urai

Munehjaru Urai has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Seat cushion cover member
    Patent number: 4378396
    Abstract: A method of and an apparatus for producing a seat cushion member by laminating a sheet of decorative surface material, a sheet of usual polyurethane foam material and a reinforcing web of fabric material in the above order, and subjecting the laminate to heating by a conventional heating unit and, at the same time, to high-frequency dielectric heating by a high-frequency welder to locally fuse required portions of the sheet of usual polyurethane foam material thereby welding the three layers into an integral structure.
    Type: Grant
    Filed: October 27, 1980
    Date of Patent: March 29, 1983
    Inventors: Munehjaru Urai, Tadafumi Abe, Youichiro Haraguchi, Koji Hayashi